!16 修复搜索结果数据量较大时出现的搜索结果区域可以滚动的问题；

Merge pull request !16 from 纪笑旭/ok-upstream

frontend/view/result-view.cpp

@@ -282,10 +282,10 @@ void ResultView::onRowSelectedSlot(const QModelIndex &index)
 void ResultView::onItemListChanged(const int &count)
 {
     m_count = count;
-    Q_EMIT this->listLengthChanged(count);
     QModelIndex index = this->currentIndex();
     m_model->refresh();
     this->setCurrentIndex(index);
+    Q_EMIT this->listLengthChanged(count);
 }
 
 void ResultView::setExpanded(const bool &is_expanded)